Home / 256,225,406.40-384,338,109.60-118,050,746.40

Finding the Fourth Proportional to 256,225,406.40, 384,338,109.60 and 118,050,746.40

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Solution

The fourth proportional to 256,225,406.40, 384,338,109.60 and 118,050,746.40 is: 177,076,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,225,406.40 : 384,338,109.60 = 118,050,746.40 : x
  2. Step 2: Convert to fraction form
    256,225,406.40/384,338,109.60 = 118,050,746.40/x
  3. Step 3: Cross multiply
    256,225,406.40x = 384,338,109.60 × 118,050,746.40
  4. Step 4: Simplify right side
    256,225,406.40x = 45,371,400,708,245,008
  5. Step 5: Solve for x
    x = 45,371,400,708,245,008/256,225,406.40
  6. Step 6: Final answer
    x = 177,076,119.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.